vim-fireplace/autoload/classpath.vim

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2012-12-04 06:06:22 +00:00
" classpath.vim - Manipulate the Java class path
" Maintainer: Tim Pope <http://tpo.pe>
if exists("g:autoloaded_classpath")
finish
endif
let g:autoloaded_classpath = 1
function! classpath#separator() abort
return has('win32') ? ';' : ':'
endfunction
function! classpath#file_separator() abort
return exists('shellslash') && !&shellslash ? '\' : '/'
endfunction
function! classpath#split(cp) abort
return split(a:cp, classpath#separator())
endfunction
function! classpath#to_vim(cp) abort
let path = []
for elem in classpath#split(a:cp)
let path += [elem ==# '.' ? '' : elem]
endfor
if a:cp =~# '\(^\|:\)\.$'
let path += ['']
endif
return join(map(path, 'escape(v:val, ", ")'), ',')
endfunction
function! classpath#from_vim(path) abort
if a:path =~# '^,\=$'
return '.'
endif
let path = []
for elem in split(substitute(a:path, ',$', '', ''), ',')
if elem ==# ''
let path += ['.']
else
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let path += split(glob(substitute(elem, '\\\ze[\\ ,]', '', 'g'), 1), "\n")
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endif
endfor
return join(path, classpath#separator())
endfunction
function! classpath#detect(...) abort
let sep = classpath#file_separator()
let buffer = a:0 ? a:1 : '%'
let default = $CLASSPATH ==# '' ? ',' : classpath#to_vim($CLASSPATH)
let root = getbufvar(buffer, 'java_root')
if root ==# ''
let root = simplify(fnamemodify(bufname(buffer), ':p:s?[\/]$??'))
endif
if root =~# '^zipfile:'
return default
endif
let previous = ""
while root !=# previous
if isdirectory(root . '/src')
if filereadable(root . '/project.clj')
let file = 'project.clj'
let cmd = 'lein classpath'
let pattern = "[^\n]*\\ze\n*$"
let default = join(map(['test', 'src', 'dev-resources', 'resources', 'target'.sep.'classes'], 'escape(root . sep . v:val, ", ")'), ',')
let base = ''
break
endif
if filereadable(root . '/pom.xml')
let file = 'pom.xml'
let cmd = 'mvn dependency:build-classpath'
let pattern = '\%(^\|\n\)\zs[^[].\{-\}\ze\n'
let base = escape(root.sep.'src'.sep.'*'.sep.'*', ', ') . ','
let default = base . default
break
endif
endif
let previous = root
let root = fnamemodify(root, ':h')
endwhile
if !exists('file')
if a:0 > 1 && a:2 ==# 'keep'
return ''
else
return default
endif
endif
if !exists('g:CLASSPATH_CACHE') || type(g:CLASSPATH_CACHE) != type({})
unlet! g:CLASSPATH_CACHE
let g:CLASSPATH_CACHE = {}
endif
let [when, last, path] = split(get(g:CLASSPATH_CACHE, root, "-1\t-1\t."), "\t")
let disk = getftime(root . sep . file)
if last ==# disk
return path
else
try
if &verbose
echomsg 'Determining class path with '.cmd.' ...'
endif
let out = system('cd ' . shellescape(root) . ' && ' . cmd)
catch /^Vim:Interrupt/
return default
endtry
let match = matchstr(out, pattern)
if !v:shell_error && exists('out') && out !=# ''
let path = base . classpath#to_vim(match)
let g:CLASSPATH_CACHE[root] = localtime() . "\t" . disk . "\t" . path
return path
else
echohl WarningMSG
echomsg "Couldn't determine class path."
echohl NONE
echo out
return default
endif
endif
endfunction
" vim:set et sw=2: